1. Queen's Medical Centre; Department of Dermatology; Nottingham UK NG7 2UH
2. University of Tübingen; Institute of General Medicine and Interprofessional Care; Tübingen Germany
3. Churchill Hospital; Department of Dermatology; Old Road Headington Oxford UK OX3 7LJ
4. University of Sheffield School of Clinical Dentistry; Clinical Academic Unit of Oral and Maxillofacial Medicine and Surgery; Claremont Crescent Sheffield UK S10 2TA
5. The University of Nottingham; Division of Epidemiology and Public Health; Clinical Sciences Building Nottingham City Hospital NHS Trust Campus, Hucknall Road Nottingham UK NG5 1PB
6. Sheffield Children's NHS Foundation Trust; Department of Dermatology, Sheffield Children's Hospital; Sheffield UK S10 2JF
7. Sheffield Teaching Hospitals NHS Foundation Trust; Department of Dermatology; Sheffield UK